The 30 ms limit gated all controller output, so a rumble pulse shorter
than the interval could be lost and a stop could wait up to 30 ms.
Rumble goes out on every output change again, as on main; SDL already
skips repeated values and merges consecutive rumble reports. Only the
light bar is paced: a changed colour is sent at most every 30 ms, always
the latest one, and a colour SDL refuses is retried after the interval.
The trigger effect is cached only when SDL_GameControllerSendEffect
succeeds, so a refused effect is sent again on the next update as it was
before. LightBarPacer and TriggerEffectCache hold these decisions;
pad_output_pacing covers changes, retries, a new controller and a light
bar animated every frame at 120 Hz.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>